Building health · MANHATTAN, NY

311 11 Ave

built 2020 · 60 stories · 938 apartments
Also known as 601 W 29 St, 603 W 29 St, 625 W 29 St — one building, several doors.
Registered with the city: CLINTON MANAGEMENT LLC; DD WEST 29TH LLC; WEST SIDE 11TH & 29TH LLC

Apartments named in these records

12 of this building’s 938 apartments are named in a city record. The rest have no record naming them, which is the usual case.

These are city records about an apartment, not about anyone who lives or lived there. They may not be used to screen a tenant.

Flooding

Issues on record
FEMA flood zone

In a FEMA special flood hazard area: AE, X, X (0.2% annual chance)

FEMA National Flood Hazard Layer, as of 2026-10-19
What this counts

Effective FIRM zones touching the building footprint

Stormwater flooding

Extreme storm, 2080 sea levels: Nuisance flooding (4 in. to 1 ft); Moderate storm, 2050 sea levels: Not in mapped flooding; Moderate storm, today's sea levels: Not in mapped flooding; Limited storm, today's sea levels: Not loaded (file format unreadable)

NYC Stormwater Flood Maps, as of 2024-07-03
What this counts

Mapped ponding touching the building footprint

  • BasementfoundNo basement

Heat and hot water

Older records on file
Heat source

Boiler burning natural gas (Aerco BMK6000), registration expired since Oct 2026

Clean Air Tracking System (boiler registrations), as of 2026-10-19 · See this building's boiler registrations on NYC Open Data →
Boiler inspection filings

Latest accepted inspection Aug 2026, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-17 · See the boiler filings at DOB →
What this counts

Accepted annual boiler inspection filings, any date

Boiler work permits

Latest boiler work permit 2021 (2 on record)

DOB Permit Issuance (BIS), as of 2026-10-19
What this counts

DOB boiler permits (BIS and DOB NOW); a permit dates work, not the boiler's age

  • Heat and hot water complaintsfound0 heat or hot water complaints

Water and pipes

1 complaint, 2025

Pests and cleanliness

3 complaints, 2025–2026 · 1 in the past year

Fire and safety

2 resolved since 2023

Structure and facade

2 resolved since 2024
  • Facade ratingno recordNo facade filing found for this building
  • Sidewalk shed and scaffoldingfoundNo active shed permit; permits since Jul 2022, last expired Jul 2023
  • Landmark statusno recordNot in a historic district on record

Elevators

No issues on record
Elevators

10 active elevators; latest periodic inspection May 2026

DOB NOW Elevator Safety Compliance, as of 2026-10-18 · See this building's elevators on NYC Open Data →
What this counts

Active elevator devices registered to this building ID

Rent and tenancy

On the state list
Rent stabilization

On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations). Listed under the 421-a tax program, so stabilization can end when the exemption does

Rent Stabilized Building Lists (2024 HCR registrations), as of 2025-11-30
What this counts

The list doesn't say which apartments are stabilized, and being listed isn't proof of current status. For a specific apartment, request its rent history from HCR

Energy

Energy

ENERGY STAR score 63 (2024 report)

Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25
What this counts

Letter grades are issued by the city under Local Law 33 and posted near the building entrance; Blueflo shows the reported score only

General condition and all records

Permit history

57 permits since 1990

DOB NOW: Build – Approved Permits, as of 2026-10-17 · See every permit at DOB →
What this counts

DOB permits issued (DOB NOW and legacy BIS), one per job and work type; excludes sheds

  • HPD violationsfound0 open. 6 further violations from 2023–2026 were closed
  • DOB violationsfound0 open

Nothing on record

Gasno record
  • Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published

Sources

23 datasets

Each date is when we last checked that dataset, not when the record itself was created.

Every row shows the record it came from and the date it was last checked.
These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked.
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